Home / 993,460,820.80-1,490,191,231.20-977,336,507.20

Finding the Fourth Proportional to 993,460,820.80, 1,490,191,231.20 and 977,336,507.20

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Solution

The fourth proportional to 993,460,820.80, 1,490,191,231.20 and 977,336,507.20 is: 1,466,004,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,460,820.80 : 1,490,191,231.20 = 977,336,507.20 : x
  2. Step 2: Convert to fraction form
    993,460,820.80/1,490,191,231.20 = 977,336,507.20/x
  3. Step 3: Cross multiply
    993,460,820.80x = 1,490,191,231.20 × 977,336,507.20
  4. Step 4: Simplify right side
    993,460,820.80x = 1,456,418,292,961,075,712
  5. Step 5: Solve for x
    x = 1,456,418,292,961,075,712/993,460,820.80
  6. Step 6: Final answer
    x = 1,466,004,760.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.